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Siltuma avoti un siltumparādības
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Siltuma avoti un siltumparādības
Secondary schoolPresentations12 -
Siltuma starojums
Secondary schoolPresentations17 -
Ultravioletais starojums
Secondary schoolPresentations8
Price for
individual items
individual items
8,97 €
Price for Work pack
4,49 €
You save: 4,48 €
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